import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles'
import Categories from '../components/goods/Categories.vue'
import Params from '../components/goods/Params.vue'
import List from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'

Vue.use(VueRouter)
const router = new VueRouter({
        routes: [
            { path: '/', redirect: "/Login" },
            { path: '/login', component: Login },
            {
                path: '/home',
                component: Home,
                redirect: '/welcome',
                children: [
                    { path: '/welcome', component: Welcome },
                    { path: '/users', component: Users },
                    { path: '/rights', component: Rights },
                    { path: '/roles', component: Roles },
                    { path: '/categories', component: Categories },
                    { path: '/params', component: Params },
                    { path: '/goods', component: List },
                    { path: '/goods/add', component: Add },
                    { path: '/orders', component: Order },
                    { path: '/reports', component: Report }
                ]
            }
        ]
    })
    // 载暴露路由对象之前，挂在路由导航守卫
router.beforeEach((to, from, next) => {
    // to 将要访问的路径
    // from  从哪个路径跳转而来
    // next 是一个函数，表示放心，或者去往指定页面 next('/login')
    if (to.path == '/login') return next();
    const tokenStr = window.sessionStorage.getItem('token');
    if (!tokenStr) return next('/login')
    next()


})

export default router